Answer:
Q1: 4.) Logical order
Q2: 1.) Neither of our birds is making that squawking noise.
Step-by-step explanation:
Q1: Logical order allows the reader to be able to understand the concepts and definitions in a sequence that makes sense, that usually means they will be able to have a deep understanding of what happens next in the text and its context, when contrasting two characters, is key to follow a logical order since you want your readers to fully understand the arguments about one or the other character and the comparison itself.
Q2: When you are constructing a sentence it is very important for the verb to agree with the pronoun used since that helps you express your message correctly. It is easy to get confused whether it should be conjugated in plural or singular, however, you can clarify by paying attention to who is the sentence referring to, and the pronoun is the key for that.